ProblemTo provide a ducted fan device and an aircraft capable of improving thrust force and suppressing separation in a lip portion.Solving MeansThe ducted fan device 10A includes, a plurality of fan devices 20, each including a fan 22 configured to rotate about an axis X1 to generate an air flow, and a small duct 23 having a cylindrical shape surrounding the fan 22 about the axis X1 and extending in a direction of the axis X1, and a large duct 30A having a tubular shape surrounding all of the fan devices 20. The plurality of fan devices 20 includes a central fan device 20a, and a plurality of peripheral fan devices 20b disposed at an outer peripheral of the small duct 23 included in the central fan device 20a.
DUCTED FAN DEVICE AND AIRCRAFT
MANTELPROPELLERVORRICHTUNG UND FLUGZEUG
DISPOSITIF DE SOUFFLANTE ET AÉRONEF
2024-01-17
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |